Home / 86,989,296.16-130,397,755.01-40,848,568.75

Finding the Fourth Proportional to 86,989,296.16, 130,397,755.01 and 40,848,568.75

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Solution

The fourth proportional to 86,989,296.16, 130,397,755.01 and 40,848,568.75 is: 61,232,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,989,296.16 : 130,397,755.01 = 40,848,568.75 : x
  2. Step 2: Convert to fraction form
    86,989,296.16/130,397,755.01 = 40,848,568.75/x
  3. Step 3: Cross multiply
    86,989,296.16x = 130,397,755.01 × 40,848,568.75
  4. Step 4: Simplify right side
    86,989,296.16x = 5,326,561,659,719,653
  5. Step 5: Solve for x
    x = 5,326,561,659,719,653/86,989,296.16
  6. Step 6: Final answer
    x = 61,232,380.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.